Finding the Fourth Proportional to 16,052.16, 22,106.38 and 15,708.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,052.16 : 22,106.38 = 15,708.72 : x
2. Step 2: Convert to fraction form
   16,052.16/22,106.38 = 15,708.72/x
3. Step 3: Cross multiply
   16,052.16x = 22,106.38 × 15,708.72
4. Step 4: Simplify right side
   16,052.16x = 347,262,933.63
5. Step 5: Solve for x
   x = 347,262,933.63/16,052.16
6. Step 6: Final answer
   x = 21,633.41